发明名称 V-SHAPED WRITING INSTRUMENT
摘要 The present invention relates to a writing instrument. The writing instrument of the present invention comprises a tip holder in which a penetration opening for making a tip of a core containing a writing material be outwardly protruded is formed at one end and a hollow inserting portion is formed at the other end, and a main frame to which the tip holder is coupled, which receives the core and in which at least two wing portions are formed at one end.
申请公布号 WO2004028830(A1) 申请公布日期 2004.04.08
申请号 WO2003KR00123 申请日期 2003.01.21
申请人 KIM, MIN-KEUN 发明人 KIM, MIN-KEUN
分类号 B43K23/008 主分类号 B43K23/008
代理机构 代理人
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